Onto · House #22,798

What it is

Calls itself “AI content negotiation layer”.

• Calls itself: AI content negotiation layer

“The AI content negotiation layer”

Where it puts itself

Publishes a comparison page.

“Compare Against Firecrawl, Jina, Exa -> https://buildonto.dev/compare”

What it costs

Monthly subscription and yearly plan. A free tier, free forever. Has an enterprise plan. Sales on request. 10 prices listed on its pages, from $0 to $250.

• Monthly: yes
• Yearly: yes
• Free plan: free forever
• Price: 10 prices, from $0 to $250
• Enterprise plan: yes
• Contact sales: yes

“$0 forever 1,000 credits / month”

“$19 / month 1 site”

Who it sells to

Sells to developers.

• Sells to: developers

“Plus an AIO score, and a Read API and MCP for builders.”

How it runs

A API. Hosted in the cloud. Distributed through the npm. Offers an API. AI is the core of the product.

• Kind: api
• Runs where: cloud / hosted
• Distributed via: npm
• API: yes
• AI role: core to the product

“Read API Clean Markdown from any URL Serve SDK Answer agents from your own site MCP Server Six tools for any agent AIO Score How readability is graded Scanner Score any page, free”

“…api.buildonto.dev POST /v1/read { url }”

What it works with

Names Amazonbot, ChatGPT-User and 5 more on its pages.

• Names: Amazonbot · ChatGPT-User · Claude-User · +4

“Amazonbot”

“ChatGPT-User”

What it offers as proof

Live, no waitlist. Claims “174,618”. Try it without signing up. Publishes docs and a blog.

• Number claimed: 174,618
• Instant signup: yes
• Trial asks for: nothing

“Start free →”

“Free tier · 1,000 credits / month · no card”